3 years ago

Plz help me solve this thanks

Mathematics

1 answer:

Travka [436]3 years ago

7 0

Answer:

$-2\sqrt{3}+8\sqrt{5}$

Step-by-step explanation:

$-2\sqrt{3} -\sqrt{5} +3\sqrt{9\times5} = -2\sqrt{3} -\sqrt{5} +3\sqrt{9}\times\sqrt{5} = -2\sqrt{3} -\sqrt{5} +9\sqrt{5} = -2\sqrt{3}+8\sqrt{5} \\$

You might be interested in

A ratio of boys to girls in the classroom is 4 to 5 if there are 20 girls how many boys would there be

Viktor [21]

Answer:

16 to 20

Step-by-step explanation:

Let's do our math.

4 to 5

8 to 10

12 to 15

16 to 20

In order to get to 20, you'd have to multiply 5 by 4. So in order to get an equal ratio, you multiply 4 by 4 and get 16.

I hope this helps!

-No one

8 0

2 years ago

Please help me with this math problem!! Will give brainliest!! :) (Pictures below)

Masteriza [31]

Answer:

Step-by-step explanation:

1. Y-axis (the vertical one) is money

2.X-axis (the horizontal one) is days

What else do u need?

8 0

2 years ago

Read 2 more answers

Which point, (5/2, 3) or (3/2, 20), is on the graph of 2x - 2/3y =3? show steps pls!

Anna11 [10]

You should try both points
put x=5/2 and y=3
5-2=3
the first one is on the graph
put x=3/2 and y=20
3-40/3≠3
the second one is not on the graph

4 0

4 years ago

What the answer to this

neonofarm [45]

Answer:

Step-by-step explanation:

(I solved in the picture, firstly look at there)

after completing the square and factoring :

${x}^{2} + 4x + 4 = 8 + 4$

${x}^{2} + 4x + 4 = 12$

${(x - 2)}^{2} = 12$

Hope this helps ^-^

6 0

3 years ago

A rectangular piece of gift wrap is 5.5 inches in length and 2.1 inches in width. What is the area of the gift wrap?

Nina [5.8K]

A=11.55in²lLengthinwWidthin

4 0

3 years ago

Read 2 more answers